hillenbrand



2 SheetsSheet 1.

(No Model.)

J HILLENBRAND. WATER PRESSURE BLOWING APPARATUS.

Patented Apr. 11, 1893.

(No Model.) i 2 Sheets-Sheet 2.

J. HILLENBRAND. WATER PRESSURE BLOWING APPARATUS.

No. 495,333. Patented Apr. 11, 1893.

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UNIT STATES PATENT OFFICE.

JULIUS I-IILLENBRAND, OF MANNHE IM, GERMANY, ASSIGNOR TO LEOPOLD JOSEPH,OF SAME PLACE.

WATER-PRESSURE BLOWING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 495,333, dated April11, 1893.

Application filed May 11,1892.

To all whom it may concern:

Be it known that I, JULIUS HILLENBRAND, a subject of the Emperor ofGermany, residing at Mannheim, in the Empire of Germany, have inventedcertain new and useful Improvements in Water-Pressure Blowing Apparatus,of which the following is a specification.

It is the object of my invention to provide an air forcing or pumpingapparatus for supplying air for furnaces or any other purposes in whichthe motive power of water or other fluid may be utilized to keep theapparatus in constant motion so long as the pressure of the said fluidis kept up.

In the drawings, Figure 1, is a vertical sectional View of theapparatus. Fig. 2, is a plan. Fig.3, is a detail. view. Figs. 4. and 5,are detail sectional views of the valve, and Fig. 6, a sectional planview of Fig. 3.

In the drawings are shown two tanks G G having respectively the bellsorvertically movable floats G, G. The tank G" has an air inlet pipe S,which is provided with a suction valve S adapted to permit the inflow ofa charge of air from the outside when the bell G, is moved verticallyand arranged to prevent the escape of any air through the said inletpipe S when the bell G falls and thus subjects the contained air chargeto pressure. The tanks and bells are supplied with liquid up to thelevel w, r, so as to form a sealed air space X, above the said liquidlevel and at the top of the bells. The air pipe S, as shown extendsabove the liquid level and into the air space and from this air spacealso an air outlet pipe cl, extends which is provided with a valve 1permitting the outflow of the air when the bell G, descends butpreventing back flow when said bell rises. The air forced through theoutlet pipe at under pressure from the descending bell flows into theupper air space in the bell G and thus lifts the same and this actioncan be made sure by increasing the weight of the forcing bell G, byweighting the same at y, dotted lines Fig. 1. The charge of air is nowin the air space X of the bell G and the pressure of air from the bellG, having been cut 0% when the saidbell G has reached its highest pointas will presently be described, the said bell begins to fall and forceout the Serial No. 432,657. (No model.)

charge of air through the pipe d connecting with the air space X, andduring this descending action of the bell G the first bell G is liftingand drawing in a fresh charge of air as will be described hereinafter. 55

The valve in the bell G for cutting off the pressure from the bell G,consists of a conical valve 6 on the lower end of a rod g, guided in thestationary brackets and pressed normally downward by a spring g bearingon a collar g The valve casing e, on the upper end of the air pipe d, isarranged so that the valve will close by moving upward against its seatit being pressed open or downwardly by the spring mentioned. It isclosed when the 6 bell G reaches its highest point by reason of saidbell striking the collar 9 thus cutting oif the pressure from the bellG, at the moment the receiving bell reaches its highest point. By thisthe pressure is kept steady even should the bell G, continue to moveafter the receiving bell reaches its highest point. Were this valve notused the pressure would be apt to vary if the bell G, continued to fallafter the bell G reached its highest point.

The bell G, is raised and lowered as follows. The tank G has a pumpcylinder 0, extending upward from its bottom; the piston K, of which isconnected with the bell G, by the piston rod is. The piston is raisedand with it the bell by a fluid as water introduced below the pistonthrough the pipe r. The supply is controlled bya valve H,which isoperated automatically from the rise and fall of the bell to let in andlet out the water from the pipe r, and pump cylinder. This valve whichmay be of any ordinary two way variety has its stern provided with crankarms h, which are connected by the cords h, with the arms 72, which areloose on the shaft'2l' and adjacent to the tipping disk 20 also loose onthe shaft 21, the said disk carrying a mercury tube a: Fig. 3, by whicharrangement it is only necessary to give the tipping disk apartialmovement in either direction to cause the mercury to run from one end ofthe tube to the other end and thus efi'ect the full movement of the diskwith sufticient force to operate the valve to its opposite extreme withcertainty and withaquick action. This actionisperformed I00 Gby a cordpassing over the pulley f. The

valve H, is shown in Figs. 4 and 6, and as now set it will admit waterto the pipe 7, from the supply pipe m, through the oppositely placedports a leading into the axial port 0" which connects with the pipe r,as shown in Fig. 6. The action may now be followed out and may be statedas follows. The inflow of water under pressure through the pipe 4",raises the piston and bell G, to draw in a charge of air. The firstportion of the upward movement of the bellis without effect on the valvecontrolling disk 20, as the movement of the.

wheel I), under the retracting action of its weight is lostfirst and iswithout efiect until the pin .2, reaches the end of the slot and tipsthe tipping disk and mercury tube so as tochange the position of thevalve H, cut off the piper from the pipe m and place said pipe inconnection with the discharge pipe r Fig. 4. The pressure on the pistonK, being now relieved said piston with the bell falls and forces the aircharge through the pipe d. As soon as the bell G, begins to fall itbegins to turn the Wheel 19, to the left against the action of itsweight and when the bell is near the limit of its down ward movement thepin 2',

comes against the opposite end of the slot and tips the disk 20, to turnthe valve to let in another supply of water.

I claim as my invention 1. In combination, the two vertically movablebells G, G with their tanks, the cylinder and piston arranged to operateone of said bells, the fluid supply pipe r leading to said cylinder, thevalve H, in said pipe, the means for operating the said valve includingthe weighted wheel I), the cord extending from the wheel I) to the bellG, the arms it loose on the shaftof the wheel, the connections from saidarms to the valve stem, the tilting weighted part adapted to be moved bythe wheel I) and to operate the arms 71 in the latter part of itsmovement, the air inlet to the bell G and the air conduit extending fromthe bell G tothe bell G, substantially as described.

2. In combination, the bells G, G with their tanks, the air inlet to thebell G, the air conduit between the bells, the cylinder and piston tooperate the bell G, the supply pipe the valve H, therein, and the meansfor operating said valve including the weighted wheel b, connected by acord with the bell G, the tipping gravity device arranged to be operatedby said wheel and connections between said tipping device and .the valvestem, substantially as described.

In testimony whereof I have affixed my signature in presence of twowitnesses.

JULIUS HILLENBRAND. Witnesses:

S. STEINHEIMER, FERD. BONN.

